Features: 6 Kinds of Live Broadcast Mode: One key switch acoustic mode studio mode professional mode pop mode shouting mode KTV mode so you can deal with different scenes. Intelligent One Key Noise Reduction: Professional broadcast sound card to meet the diverse needs of users. Monitoring ear return eliminate the original sound mute internal playback etc. Multi-functional Mixer: Not only cool appearance but also powerful inside a variety of functions to meet your needs fine and precise tuning. Bluetooth-compatible Wireless Accompaniment Reckless: Direct cell phone connection high-quality Bluetooth-compatible 5.0 low-power chip stable signal rapid transmission. Bluetooth-compatible accompaniment say goodbye to multi-line troubles. OTG Lossless Transmission: No adapter cable plug in the power to the sound card live while charging Type-c interface can be used on Android/IOS. Specifications: Microphone Type: Condenser Pointing Characteristics: Cardioid pointing Sound Channel: 2 Built-in Battery Capacity: 1200 mA - 2000 mA includes: 1 * K-song Live Sound Cards 1 * Charging Cable "